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PhysicalIoExpr

polars_io::predicates

Trait PhysicalIoExpr 

Source 
pub trait PhysicalIoExpr: Send + Sync {
    // Required method
    fn evaluate_io(&self, df: &DataFrame) -> PolarsResult<Series>;
}

Required Methods§

Source

fn evaluate_io(&self, df: &DataFrame) -> PolarsResult<Series>

Take a DataFrame and produces a boolean Series that serves as a predicate mask

Dyn Compatibility§

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementors§